单项选择题
A．To advertise their spray. B．To advertise their new shoes. C．To complain the bad quality of the shoes. D．To answer the complaint.
A．it is very helpful B．it is very difficult C．it is unnecessary D．it is very safe
A. I prefer B. that’s OK C. I’d love to D. What do you like E. Would you like to go F. That sounds fine G. cannot work H. have to work late